- Add multi-chain support with ait-devnet, ait-testnet, ait-mainnet
- Add chain selector dropdown in explorer UI
- Add /api/chains endpoint to list supported chains
- Update all API endpoints to accept optional chain_id parameter
- Update RPC URL configuration to support multiple chains per network
- Change default port from 3001 to 8016 (enhanced services range)
- Update coordinator database path to ./
